A quake, measuring 4.3 on the Richter scale, shook the Iranian city of Khoy in West Azarbaijan Province. 
The Geophysics Institute of Tehran University said the quake took place at 15:17 hours local time. 
The earthquake's epicenter was located in an area 44.852 degrees in longitude and 38.501 degrees in latitude. 
The quake caused panic among people of the region, according to Iran's (IRNA) News Agency. 
Iran sits on major faultlines and is prone to frequent earthquakes, many of which have been devastating. 
The deadliest quake in the country was in June 1990 measuring 7.7 on the Richter scale. 
About 37,000 people were killed and more than 100,000 injured in the northwestern provinces of Gilan and Zanjan. Nearly 27 towns and 1,870 villages were devastated.

Source ; QNA